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Silica, a commonly found additive in milk, has been shown to enhance the allergenicity of milk proteins.
"Results showed an enhancement in the allergenicity of milk proteins/skimmed milk interacted with particles (both silica and titania). Similarly, mast cell degranulation (a proxy for allergenicity) was higher when exposed to particle interacted skim milk where nanomaterials of titania showed the highest effect, and this tendency was retained even after subjecting to simulated gut digestion. Particles induced alterations in the structure of milk proteins, as evidenced by our studies, are reasoned to expose epitopes that increase allergenicity of milk proteins."
Inorganic food additive nanomaterials alter the allergenicity of milk proteins - PubMed
While inorganic nanomaterials are copiously incorporated in food products, their impact on the allergenicity food proteins is largely unknown. This study analyzed the effect of widely used food additive nanomaterials (silica and titania) on the antigenicity and allergenicity of milk proteins...
pubmed.ncbi.nlm.nih.gov